678887898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3607}}^1$

素因数の和:3771

約数の個数: 64

約数和(自身を含む): 1551728640

約数和(自身を除く): 872840742

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 127, 247, 254, 381, 494, 741, 762, 1482, 1651, 2413, 3302, 3607, 4826, 4953, 7214, 7239, 9906, 10821, 14478, 21642, 31369, 46891, 62738, 68533, 93782, 94107, 137066, 140673, 188214, 205599, 281346, 411198, 458089, 890929, 916178, 1374267, 1781858, 2672787, 2748534, 5345574, 5955157, 8703691, 11910314, 17407382, 17865471, 26111073, 35730942, 52222146, 113147983, 226295966, 339443949, 678887898]

約数ペア:

[(1, 678887898), (2, 339443949), (3, 226295966), (6, 113147983), (13, 52222146), (19, 35730942), (26, 26111073), (38, 17865471), (39, 17407382), (57, 11910314), (78, 8703691), (114, 5955157), (127, 5345574), (247, 2748534), (254, 2672787), (381, 1781858), (494, 1374267), (741, 916178), (762, 890929), (1482, 458089), (1651, 411198), (2413, 281346), (3302, 205599), (3607, 188214), (4826, 140673), (4953, 137066), (7214, 94107), (7239, 93782), (9906, 68533), (10821, 62738), (14478, 46891), (21642, 31369)]